Finding the Fourth Proportional to 1,106.05, 1,526.25 and 633.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.05 : 1,526.25 = 633.88 : x
2. Step 2: Convert to fraction form
   1,106.05/1,526.25 = 633.88/x
3. Step 3: Cross multiply
   1,106.05x = 1,526.25 × 633.88
4. Step 4: Simplify right side
   1,106.05x = 967,451.72
5. Step 5: Solve for x
   x = 967,451.72/1,106.05
6. Step 6: Final answer
   x = 874.69